Refactor sub budgets

This continues on !152 (merged) in preparing for the merge of super duper dev branches. The noise sub-budgets are moved out of ifo.noises and into the relevant noise modules. This also gets rid of the from noises import * construction in all of the ifo init files.

Over the course of this refactoring, the suspension thermal, residual gas, and seismic sub-budgets are defined with constructors as described by @jameson.rollins in #65 (closed). This isn't sub-budgets at runtime #83, but it's much much better than what we had before. The sub-budgets are also less annoyingly named now, for example SuspensionThermal.HorizPUM instead of SuspensionThermal.SuspensionThermalHorizPUM and Quantum.SEC instead of QuantumVacuum.QuantumVacuumSEC

assigned to @christopher.wipf

mentioned in merge request !152 (merged)

added 22 commits

• 6bcbb746...9716c243 - 19 commits from branch gwinc:master
• f14a489c - use constructors for suspension thermal, residual gas, and seismic sub-budgets
• 45095400 - move nb.Noise's from noises.py into the relevant noise file
• 94564722 - update unit tests after refactoring

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approved this merge request

merged

mentioned in commit 492cae71

mentioned in issue #109 (closed)